diff options
Diffstat (limited to 'net/mptcp')
| -rw-r--r-- | net/mptcp/protocol.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 82d5626323b1..6abac8238de3 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -253,6 +253,19 @@ struct mptcp_sock { } rcvq_space; }; +#define mptcp_lock_sock(___sk, cb) do { \ + struct sock *__sk = (___sk); /* silence macro reuse warning */ \ + might_sleep(); \ + spin_lock_bh(&__sk->sk_lock.slock); \ + if (__sk->sk_lock.owned) \ + __lock_sock(__sk); \ + cb; \ + __sk->sk_lock.owned = 1; \ + spin_unlock(&__sk->sk_lock.slock); \ + mutex_acquire(&__sk->sk_lock.dep_map, 0, 0, _RET_IP_); \ + local_bh_enable(); \ +} while (0) + #define mptcp_for_each_subflow(__msk, __subflow) \ list_for_each_entry(__subflow, &((__msk)->conn_list), node) |